Home / 64,875.90-89,529.39-38,034.30

Finding the Fourth Proportional to 64,875.90, 89,529.39 and 38,034.30

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Solution

The fourth proportional to 64,875.90, 89,529.39 and 38,034.30 is: 52,487.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,875.90 : 89,529.39 = 38,034.30 : x
  2. Step 2: Convert to fraction form
    64,875.90/89,529.39 = 38,034.30/x
  3. Step 3: Cross multiply
    64,875.90x = 89,529.39 × 38,034.30
  4. Step 4: Simplify right side
    64,875.90x = 3,405,187,678.08
  5. Step 5: Solve for x
    x = 3,405,187,678.08/64,875.90
  6. Step 6: Final answer
    x = 52,487.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.