Home / 60,465.20-90,712.20-25,386.80

Finding the Fourth Proportional to 60,465.20, 90,712.20 and 25,386.80

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Solution

The fourth proportional to 60,465.20, 90,712.20 and 25,386.80 is: 38,086.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,465.20 : 90,712.20 = 25,386.80 : x
  2. Step 2: Convert to fraction form
    60,465.20/90,712.20 = 25,386.80/x
  3. Step 3: Cross multiply
    60,465.20x = 90,712.20 × 25,386.80
  4. Step 4: Simplify right side
    60,465.20x = 2,302,892,478.96
  5. Step 5: Solve for x
    x = 2,302,892,478.96/60,465.20
  6. Step 6: Final answer
    x = 38,086.25

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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.