Home / 38,730.60-53,439.93-25,321.55

Finding the Fourth Proportional to 38,730.60, 53,439.93 and 25,321.55

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Solution

The fourth proportional to 38,730.60, 53,439.93 and 25,321.55 is: 34,938.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,730.60 : 53,439.93 = 25,321.55 : x
  2. Step 2: Convert to fraction form
    38,730.60/53,439.93 = 25,321.55/x
  3. Step 3: Cross multiply
    38,730.60x = 53,439.93 × 25,321.55
  4. Step 4: Simplify right side
    38,730.60x = 1,353,181,592.29
  5. Step 5: Solve for x
    x = 1,353,181,592.29/38,730.60
  6. Step 6: Final answer
    x = 34,938.31

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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.