Home / 31,340,044.60-47,010,066.90-20,590,502.20

Finding the Fourth Proportional to 31,340,044.60, 47,010,066.90 and 20,590,502.20

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Solution

The fourth proportional to 31,340,044.60, 47,010,066.90 and 20,590,502.20 is: 30,885,753.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,340,044.60 : 47,010,066.90 = 20,590,502.20 : x
  2. Step 2: Convert to fraction form
    31,340,044.60/47,010,066.90 = 20,590,502.20/x
  3. Step 3: Cross multiply
    31,340,044.60x = 47,010,066.90 × 20,590,502.20
  4. Step 4: Simplify right side
    31,340,044.60x = 967,960,885,926,597.12
  5. Step 5: Solve for x
    x = 967,960,885,926,597.12/31,340,044.60
  6. Step 6: Final answer
    x = 30,885,753.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.