Home / 42,905.43-64,366.65-16,610.40

Finding the Fourth Proportional to 42,905.43, 64,366.65 and 16,610.40

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Solution

The fourth proportional to 42,905.43, 64,366.65 and 16,610.40 is: 24,918.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,905.43 : 64,366.65 = 16,610.40 : x
  2. Step 2: Convert to fraction form
    42,905.43/64,366.65 = 16,610.40/x
  3. Step 3: Cross multiply
    42,905.43x = 64,366.65 × 16,610.40
  4. Step 4: Simplify right side
    42,905.43x = 1,069,155,803.16
  5. Step 5: Solve for x
    x = 1,069,155,803.16/42,905.43
  6. Step 6: Final answer
    x = 24,918.89

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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.