Home / 49,520.23-74,280.34-21,417.28

Finding the Fourth Proportional to 49,520.23, 74,280.34 and 21,417.28

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Solution

The fourth proportional to 49,520.23, 74,280.34 and 21,417.28 is: 32,125.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,520.23 : 74,280.34 = 21,417.28 : x
  2. Step 2: Convert to fraction form
    49,520.23/74,280.34 = 21,417.28/x
  3. Step 3: Cross multiply
    49,520.23x = 74,280.34 × 21,417.28
  4. Step 4: Simplify right side
    49,520.23x = 1,590,882,681.35
  5. Step 5: Solve for x
    x = 1,590,882,681.35/49,520.23
  6. Step 6: Final answer
    x = 32,125.92

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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.