Home / 51,435.20-77,152.80-23,718.08

Finding the Fourth Proportional to 51,435.20, 77,152.80 and 23,718.08

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Solution

The fourth proportional to 51,435.20, 77,152.80 and 23,718.08 is: 35,577.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,435.20 : 77,152.80 = 23,718.08 : x
  2. Step 2: Convert to fraction form
    51,435.20/77,152.80 = 23,718.08/x
  3. Step 3: Cross multiply
    51,435.20x = 77,152.80 × 23,718.08
  4. Step 4: Simplify right side
    51,435.20x = 1,829,916,282.62
  5. Step 5: Solve for x
    x = 1,829,916,282.62/51,435.20
  6. Step 6: Final answer
    x = 35,577.12

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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.