Home / 42,975.52-64,353.12-25,457.92

Finding the Fourth Proportional to 42,975.52, 64,353.12 and 25,457.92

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Solution

The fourth proportional to 42,975.52, 64,353.12 and 25,457.92 is: 38,121.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,975.52 : 64,353.12 = 25,457.92 : x
  2. Step 2: Convert to fraction form
    42,975.52/64,353.12 = 25,457.92/x
  3. Step 3: Cross multiply
    42,975.52x = 64,353.12 × 25,457.92
  4. Step 4: Simplify right side
    42,975.52x = 1,638,296,580.71
  5. Step 5: Solve for x
    x = 1,638,296,580.71/42,975.52
  6. Step 6: Final answer
    x = 38,121.62

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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.