Home / 30,100.02-45,154.30-12,565.86

Finding the Fourth Proportional to 30,100.02, 45,154.30 and 12,565.86

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Solution

The fourth proportional to 30,100.02, 45,154.30 and 12,565.86 is: 18,850.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,100.02 : 45,154.30 = 12,565.86 : x
  2. Step 2: Convert to fraction form
    30,100.02/45,154.30 = 12,565.86/x
  3. Step 3: Cross multiply
    30,100.02x = 45,154.30 × 12,565.86
  4. Step 4: Simplify right side
    30,100.02x = 567,402,612.20
  5. Step 5: Solve for x
    x = 567,402,612.20/30,100.02
  6. Step 6: Final answer
    x = 18,850.57

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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.