Home / 30,088.67-45,132.80-23,520.38

Finding the Fourth Proportional to 30,088.67, 45,132.80 and 23,520.38

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Solution

The fourth proportional to 30,088.67, 45,132.80 and 23,520.38 is: 35,280.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,088.67 : 45,132.80 = 23,520.38 : x
  2. Step 2: Convert to fraction form
    30,088.67/45,132.80 = 23,520.38/x
  3. Step 3: Cross multiply
    30,088.67x = 45,132.80 × 23,520.38
  4. Step 4: Simplify right side
    30,088.67x = 1,061,540,263.20
  5. Step 5: Solve for x
    x = 1,061,540,263.20/30,088.67
  6. Step 6: Final answer
    x = 35,280.40

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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.