Home / 56,145.12-84,199.52-18,695.18

Finding the Fourth Proportional to 56,145.12, 84,199.52 and 18,695.18

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Solution

The fourth proportional to 56,145.12, 84,199.52 and 18,695.18 is: 28,036.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,145.12 : 84,199.52 = 18,695.18 : x
  2. Step 2: Convert to fraction form
    56,145.12/84,199.52 = 18,695.18/x
  3. Step 3: Cross multiply
    56,145.12x = 84,199.52 × 18,695.18
  4. Step 4: Simplify right side
    56,145.12x = 1,574,125,182.31
  5. Step 5: Solve for x
    x = 1,574,125,182.31/56,145.12
  6. Step 6: Final answer
    x = 28,036.72

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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.