Home / 55,397.04-76,449.60-31,527.18

Finding the Fourth Proportional to 55,397.04, 76,449.60 and 31,527.18

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Solution

The fourth proportional to 55,397.04, 76,449.60 and 31,527.18 is: 43,508.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,397.04 : 76,449.60 = 31,527.18 : x
  2. Step 2: Convert to fraction form
    55,397.04/76,449.60 = 31,527.18/x
  3. Step 3: Cross multiply
    55,397.04x = 76,449.60 × 31,527.18
  4. Step 4: Simplify right side
    55,397.04x = 2,410,240,300.13
  5. Step 5: Solve for x
    x = 2,410,240,300.13/55,397.04
  6. Step 6: Final answer
    x = 43,508.47

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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.