Home / 56,209.23-77,568.75-31,058.73

Finding the Fourth Proportional to 56,209.23, 77,568.75 and 31,058.73

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Solution

The fourth proportional to 56,209.23, 77,568.75 and 31,058.73 is: 42,861.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,209.23 : 77,568.75 = 31,058.73 : x
  2. Step 2: Convert to fraction form
    56,209.23/77,568.75 = 31,058.73/x
  3. Step 3: Cross multiply
    56,209.23x = 77,568.75 × 31,058.73
  4. Step 4: Simplify right side
    56,209.23x = 2,409,186,862.69
  5. Step 5: Solve for x
    x = 2,409,186,862.69/56,209.23
  6. Step 6: Final answer
    x = 42,861.05

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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.