Home / 31,641.99-47,439.56-19,159.08

Finding the Fourth Proportional to 31,641.99, 47,439.56 and 19,159.08

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Solution

The fourth proportional to 31,641.99, 47,439.56 and 19,159.08 is: 28,724.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,641.99 : 47,439.56 = 19,159.08 : x
  2. Step 2: Convert to fraction form
    31,641.99/47,439.56 = 19,159.08/x
  3. Step 3: Cross multiply
    31,641.99x = 47,439.56 × 19,159.08
  4. Step 4: Simplify right side
    31,641.99x = 908,898,325.20
  5. Step 5: Solve for x
    x = 908,898,325.20/31,641.99
  6. Step 6: Final answer
    x = 28,724.44

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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.