Home / 39,913.40-59,816.10-25,830.20

Finding the Fourth Proportional to 39,913.40, 59,816.10 and 25,830.20

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Solution

The fourth proportional to 39,913.40, 59,816.10 and 25,830.20 is: 38,710.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,913.40 : 59,816.10 = 25,830.20 : x
  2. Step 2: Convert to fraction form
    39,913.40/59,816.10 = 25,830.20/x
  3. Step 3: Cross multiply
    39,913.40x = 59,816.10 × 25,830.20
  4. Step 4: Simplify right side
    39,913.40x = 1,545,061,826.22
  5. Step 5: Solve for x
    x = 1,545,061,826.22/39,913.40
  6. Step 6: Final answer
    x = 38,710.35

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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.