Home / 39,931.90-59,795.42-38,749.40

Finding the Fourth Proportional to 39,931.90, 59,795.42 and 38,749.40

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Solution

The fourth proportional to 39,931.90, 59,795.42 and 38,749.40 is: 58,024.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,931.90 : 59,795.42 = 38,749.40 : x
  2. Step 2: Convert to fraction form
    39,931.90/59,795.42 = 38,749.40/x
  3. Step 3: Cross multiply
    39,931.90x = 59,795.42 × 38,749.40
  4. Step 4: Simplify right side
    39,931.90x = 2,317,036,715.61
  5. Step 5: Solve for x
    x = 2,317,036,715.61/39,931.90
  6. Step 6: Final answer
    x = 58,024.70

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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.