Home / 29,345.20-44,017.80-7,158.40

Finding the Fourth Proportional to 29,345.20, 44,017.80 and 7,158.40

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Solution

The fourth proportional to 29,345.20, 44,017.80 and 7,158.40 is: 10,737.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,345.20 : 44,017.80 = 7,158.40 : x
  2. Step 2: Convert to fraction form
    29,345.20/44,017.80 = 7,158.40/x
  3. Step 3: Cross multiply
    29,345.20x = 44,017.80 × 7,158.40
  4. Step 4: Simplify right side
    29,345.20x = 315,097,019.52
  5. Step 5: Solve for x
    x = 315,097,019.52/29,345.20
  6. Step 6: Final answer
    x = 10,737.60

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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.