Home / 39,557.70-59,337.15-12,903.57

Finding the Fourth Proportional to 39,557.70, 59,337.15 and 12,903.57

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Solution

The fourth proportional to 39,557.70, 59,337.15 and 12,903.57 is: 19,355.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,557.70 : 59,337.15 = 12,903.57 : x
  2. Step 2: Convert to fraction form
    39,557.70/59,337.15 = 12,903.57/x
  3. Step 3: Cross multiply
    39,557.70x = 59,337.15 × 12,903.57
  4. Step 4: Simplify right side
    39,557.70x = 765,661,068.63
  5. Step 5: Solve for x
    x = 765,661,068.63/39,557.70
  6. Step 6: Final answer
    x = 19,355.55

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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.