Home / 42,618.28-63,955.68-14,916.28

Finding the Fourth Proportional to 42,618.28, 63,955.68 and 14,916.28

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Solution

The fourth proportional to 42,618.28, 63,955.68 and 14,916.28 is: 22,384.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,618.28 : 63,955.68 = 14,916.28 : x
  2. Step 2: Convert to fraction form
    42,618.28/63,955.68 = 14,916.28/x
  3. Step 3: Cross multiply
    42,618.28x = 63,955.68 × 14,916.28
  4. Step 4: Simplify right side
    42,618.28x = 953,980,830.47
  5. Step 5: Solve for x
    x = 953,980,830.47/42,618.28
  6. Step 6: Final answer
    x = 22,384.31

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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.