Home / 55,589.19-76,713.98-30,437.07

Finding the Fourth Proportional to 55,589.19, 76,713.98 and 30,437.07

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Solution

The fourth proportional to 55,589.19, 76,713.98 and 30,437.07 is: 42,003.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,589.19 : 76,713.98 = 30,437.07 : x
  2. Step 2: Convert to fraction form
    55,589.19/76,713.98 = 30,437.07/x
  3. Step 3: Cross multiply
    55,589.19x = 76,713.98 × 30,437.07
  4. Step 4: Simplify right side
    55,589.19x = 2,334,948,779.24
  5. Step 5: Solve for x
    x = 2,334,948,779.24/55,589.19
  6. Step 6: Final answer
    x = 42,003.65

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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.