Home / 53,528.40-80,292.35-13,547.76

Finding the Fourth Proportional to 53,528.40, 80,292.35 and 13,547.76

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Solution

The fourth proportional to 53,528.40, 80,292.35 and 13,547.76 is: 20,321.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,528.40 : 80,292.35 = 13,547.76 : x
  2. Step 2: Convert to fraction form
    53,528.40/80,292.35 = 13,547.76/x
  3. Step 3: Cross multiply
    53,528.40x = 80,292.35 × 13,547.76
  4. Step 4: Simplify right side
    53,528.40x = 1,087,781,419.90
  5. Step 5: Solve for x
    x = 1,087,781,419.90/53,528.40
  6. Step 6: Final answer
    x = 20,321.58

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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.