Home / 39,423-54,405.96-22,657.08

Finding the Fourth Proportional to 39,423, 54,405.96 and 22,657.08

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Solution

The fourth proportional to 39,423, 54,405.96 and 22,657.08 is: 31,268.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,423 : 54,405.96 = 22,657.08 : x
  2. Step 2: Convert to fraction form
    39,423/54,405.96 = 22,657.08/x
  3. Step 3: Cross multiply
    39,423x = 54,405.96 × 22,657.08
  4. Step 4: Simplify right side
    39,423x = 1,232,680,188.20
  5. Step 5: Solve for x
    x = 1,232,680,188.20/39,423
  6. Step 6: Final answer
    x = 31,268.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.