Home / 64,316.40-88,761.33-38,829.03

Finding the Fourth Proportional to 64,316.40, 88,761.33 and 38,829.03

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Solution

The fourth proportional to 64,316.40, 88,761.33 and 38,829.03 is: 53,586.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,316.40 : 88,761.33 = 38,829.03 : x
  2. Step 2: Convert to fraction form
    64,316.40/88,761.33 = 38,829.03/x
  3. Step 3: Cross multiply
    64,316.40x = 88,761.33 × 38,829.03
  4. Step 4: Simplify right side
    64,316.40x = 3,446,516,345.41
  5. Step 5: Solve for x
    x = 3,446,516,345.41/64,316.40
  6. Step 6: Final answer
    x = 53,586.90

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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.