Home / 42,959.06-64,423.14-14,871.50

Finding the Fourth Proportional to 42,959.06, 64,423.14 and 14,871.50

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Solution

The fourth proportional to 42,959.06, 64,423.14 and 14,871.50 is: 22,301.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,959.06 : 64,423.14 = 14,871.50 : x
  2. Step 2: Convert to fraction form
    42,959.06/64,423.14 = 14,871.50/x
  3. Step 3: Cross multiply
    42,959.06x = 64,423.14 × 14,871.50
  4. Step 4: Simplify right side
    42,959.06x = 958,068,726.51
  5. Step 5: Solve for x
    x = 958,068,726.51/42,959.06
  6. Step 6: Final answer
    x = 22,301.90

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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.