Home / 42,996.77-64,487.85-19,617.74

Finding the Fourth Proportional to 42,996.77, 64,487.85 and 19,617.74

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Solution

The fourth proportional to 42,996.77, 64,487.85 and 19,617.74 is: 29,423.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,996.77 : 64,487.85 = 19,617.74 : x
  2. Step 2: Convert to fraction form
    42,996.77/64,487.85 = 19,617.74/x
  3. Step 3: Cross multiply
    42,996.77x = 64,487.85 × 19,617.74
  4. Step 4: Simplify right side
    42,996.77x = 1,265,105,874.46
  5. Step 5: Solve for x
    x = 1,265,105,874.46/42,996.77
  6. Step 6: Final answer
    x = 29,423.28

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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.