Home / 71,258.04-98,335.44-39,426.30

Finding the Fourth Proportional to 71,258.04, 98,335.44 and 39,426.30

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Solution

The fourth proportional to 71,258.04, 98,335.44 and 39,426.30 is: 54,407.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,258.04 : 98,335.44 = 39,426.30 : x
  2. Step 2: Convert to fraction form
    71,258.04/98,335.44 = 39,426.30/x
  3. Step 3: Cross multiply
    71,258.04x = 98,335.44 × 39,426.30
  4. Step 4: Simplify right side
    71,258.04x = 3,877,002,558.07
  5. Step 5: Solve for x
    x = 3,877,002,558.07/71,258.04
  6. Step 6: Final answer
    x = 54,407.93

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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.