Home / 60,012.18-90,018.30-15,638.82

Finding the Fourth Proportional to 60,012.18, 90,018.30 and 15,638.82

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Solution

The fourth proportional to 60,012.18, 90,018.30 and 15,638.82 is: 23,458.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,012.18 : 90,018.30 = 15,638.82 : x
  2. Step 2: Convert to fraction form
    60,012.18/90,018.30 = 15,638.82/x
  3. Step 3: Cross multiply
    60,012.18x = 90,018.30 × 15,638.82
  4. Step 4: Simplify right side
    60,012.18x = 1,407,779,990.41
  5. Step 5: Solve for x
    x = 1,407,779,990.41/60,012.18
  6. Step 6: Final answer
    x = 23,458.24

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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.