Home / 30,044.40-45,066.63-20,656.01

Finding the Fourth Proportional to 30,044.40, 45,066.63 and 20,656.01

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Solution

The fourth proportional to 30,044.40, 45,066.63 and 20,656.01 is: 30,984.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,044.40 : 45,066.63 = 20,656.01 : x
  2. Step 2: Convert to fraction form
    30,044.40/45,066.63 = 20,656.01/x
  3. Step 3: Cross multiply
    30,044.40x = 45,066.63 × 20,656.01
  4. Step 4: Simplify right side
    30,044.40x = 930,896,534.61
  5. Step 5: Solve for x
    x = 930,896,534.61/30,044.40
  6. Step 6: Final answer
    x = 30,984.03

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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.