Home / 66,288.90-99,430.92-16,368.60

Finding the Fourth Proportional to 66,288.90, 99,430.92 and 16,368.60

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Solution

The fourth proportional to 66,288.90, 99,430.92 and 16,368.60 is: 24,552.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,288.90 : 99,430.92 = 16,368.60 : x
  2. Step 2: Convert to fraction form
    66,288.90/99,430.92 = 16,368.60/x
  3. Step 3: Cross multiply
    66,288.90x = 99,430.92 × 16,368.60
  4. Step 4: Simplify right side
    66,288.90x = 1,627,544,957.11
  5. Step 5: Solve for x
    x = 1,627,544,957.11/66,288.90
  6. Step 6: Final answer
    x = 24,552.30

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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.