Home / 60,403.69-90,565.55-28,818.63

Finding the Fourth Proportional to 60,403.69, 90,565.55 and 28,818.63

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Solution

The fourth proportional to 60,403.69, 90,565.55 and 28,818.63 is: 43,208.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,403.69 : 90,565.55 = 28,818.63 : x
  2. Step 2: Convert to fraction form
    60,403.69/90,565.55 = 28,818.63/x
  3. Step 3: Cross multiply
    60,403.69x = 90,565.55 × 28,818.63
  4. Step 4: Simplify right side
    60,403.69x = 2,609,975,202.28
  5. Step 5: Solve for x
    x = 2,609,975,202.28/60,403.69
  6. Step 6: Final answer
    x = 43,208.87

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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.