Home / 40,058.08-59,999.55-20,302.72

Finding the Fourth Proportional to 40,058.08, 59,999.55 and 20,302.72

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Solution

The fourth proportional to 40,058.08, 59,999.55 and 20,302.72 is: 30,409.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,058.08 : 59,999.55 = 20,302.72 : x
  2. Step 2: Convert to fraction form
    40,058.08/59,999.55 = 20,302.72/x
  3. Step 3: Cross multiply
    40,058.08x = 59,999.55 × 20,302.72
  4. Step 4: Simplify right side
    40,058.08x = 1,218,154,063.78
  5. Step 5: Solve for x
    x = 1,218,154,063.78/40,058.08
  6. Step 6: Final answer
    x = 30,409.70

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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.