Home / 39,140.72-58,710.32-9,557.76

Finding the Fourth Proportional to 39,140.72, 58,710.32 and 9,557.76

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Solution

The fourth proportional to 39,140.72, 58,710.32 and 9,557.76 is: 14,336.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,140.72 : 58,710.32 = 9,557.76 : x
  2. Step 2: Convert to fraction form
    39,140.72/58,710.32 = 9,557.76/x
  3. Step 3: Cross multiply
    39,140.72x = 58,710.32 × 9,557.76
  4. Step 4: Simplify right side
    39,140.72x = 561,139,148.08
  5. Step 5: Solve for x
    x = 561,139,148.08/39,140.72
  6. Step 6: Final answer
    x = 14,336.45

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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.