Home / 52,437.08-78,612.08-20,827.64

Finding the Fourth Proportional to 52,437.08, 78,612.08 and 20,827.64

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Solution

The fourth proportional to 52,437.08, 78,612.08 and 20,827.64 is: 31,224.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,437.08 : 78,612.08 = 20,827.64 : x
  2. Step 2: Convert to fraction form
    52,437.08/78,612.08 = 20,827.64/x
  3. Step 3: Cross multiply
    52,437.08x = 78,612.08 × 20,827.64
  4. Step 4: Simplify right side
    52,437.08x = 1,637,304,101.89
  5. Step 5: Solve for x
    x = 1,637,304,101.89/52,437.08
  6. Step 6: Final answer
    x = 31,224.17

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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.