Home / 37,000.79-51,066.08-20,871.40

Finding the Fourth Proportional to 37,000.79, 51,066.08 and 20,871.40

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Solution

The fourth proportional to 37,000.79, 51,066.08 and 20,871.40 is: 28,805.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,000.79 : 51,066.08 = 20,871.40 : x
  2. Step 2: Convert to fraction form
    37,000.79/51,066.08 = 20,871.40/x
  3. Step 3: Cross multiply
    37,000.79x = 51,066.08 × 20,871.40
  4. Step 4: Simplify right side
    37,000.79x = 1,065,820,582.11
  5. Step 5: Solve for x
    x = 1,065,820,582.11/37,000.79
  6. Step 6: Final answer
    x = 28,805.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.