Home / 52,309.85-72,186.74-28,437.13

Finding the Fourth Proportional to 52,309.85, 72,186.74 and 28,437.13

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Solution

The fourth proportional to 52,309.85, 72,186.74 and 28,437.13 is: 39,242.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,309.85 : 72,186.74 = 28,437.13 : x
  2. Step 2: Convert to fraction form
    52,309.85/72,186.74 = 28,437.13/x
  3. Step 3: Cross multiply
    52,309.85x = 72,186.74 × 28,437.13
  4. Step 4: Simplify right side
    52,309.85x = 2,052,783,348.72
  5. Step 5: Solve for x
    x = 2,052,783,348.72/52,309.85
  6. Step 6: Final answer
    x = 39,242.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.