Home / 38,754.10-58,130.94-12,458.92

Finding the Fourth Proportional to 38,754.10, 58,130.94 and 12,458.92

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Solution

The fourth proportional to 38,754.10, 58,130.94 and 12,458.92 is: 18,688.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,754.10 : 58,130.94 = 12,458.92 : x
  2. Step 2: Convert to fraction form
    38,754.10/58,130.94 = 12,458.92/x
  3. Step 3: Cross multiply
    38,754.10x = 58,130.94 × 12,458.92
  4. Step 4: Simplify right side
    38,754.10x = 724,248,730.98
  5. Step 5: Solve for x
    x = 724,248,730.98/38,754.10
  6. Step 6: Final answer
    x = 18,688.31

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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.