Home / 39,743.20-59,648.40-16,386.40

Finding the Fourth Proportional to 39,743.20, 59,648.40 and 16,386.40

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Solution

The fourth proportional to 39,743.20, 59,648.40 and 16,386.40 is: 24,593.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,743.20 : 59,648.40 = 16,386.40 : x
  2. Step 2: Convert to fraction form
    39,743.20/59,648.40 = 16,386.40/x
  3. Step 3: Cross multiply
    39,743.20x = 59,648.40 × 16,386.40
  4. Step 4: Simplify right side
    39,743.20x = 977,422,541.76
  5. Step 5: Solve for x
    x = 977,422,541.76/39,743.20
  6. Step 6: Final answer
    x = 24,593.45

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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.