Home / 42,996.69-64,495.04-14,916.78

Finding the Fourth Proportional to 42,996.69, 64,495.04 and 14,916.78

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Solution

The fourth proportional to 42,996.69, 64,495.04 and 14,916.78 is: 22,375.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,996.69 : 64,495.04 = 14,916.78 : x
  2. Step 2: Convert to fraction form
    42,996.69/64,495.04 = 14,916.78/x
  3. Step 3: Cross multiply
    42,996.69x = 64,495.04 × 14,916.78
  4. Step 4: Simplify right side
    42,996.69x = 962,058,248.19
  5. Step 5: Solve for x
    x = 962,058,248.19/42,996.69
  6. Step 6: Final answer
    x = 22,375.17

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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.