Home / 66,341.08-99,499.74-28,880.20

Finding the Fourth Proportional to 66,341.08, 99,499.74 and 28,880.20

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Solution

The fourth proportional to 66,341.08, 99,499.74 and 28,880.20 is: 43,315.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,341.08 : 99,499.74 = 28,880.20 : x
  2. Step 2: Convert to fraction form
    66,341.08/99,499.74 = 28,880.20/x
  3. Step 3: Cross multiply
    66,341.08x = 99,499.74 × 28,880.20
  4. Step 4: Simplify right side
    66,341.08x = 2,873,572,391.15
  5. Step 5: Solve for x
    x = 2,873,572,391.15/66,341.08
  6. Step 6: Final answer
    x = 43,315.13

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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.