Home / 35,511.42-53,253.29-13,312.70

Finding the Fourth Proportional to 35,511.42, 53,253.29 and 13,312.70

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Solution

The fourth proportional to 35,511.42, 53,253.29 and 13,312.70 is: 19,963.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,511.42 : 53,253.29 = 13,312.70 : x
  2. Step 2: Convert to fraction form
    35,511.42/53,253.29 = 13,312.70/x
  3. Step 3: Cross multiply
    35,511.42x = 53,253.29 × 13,312.70
  4. Step 4: Simplify right side
    35,511.42x = 708,944,740.95
  5. Step 5: Solve for x
    x = 708,944,740.95/35,511.42
  6. Step 6: Final answer
    x = 19,963.85

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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.