Home / 66,309.04-99,465.72-21,938.32

Finding the Fourth Proportional to 66,309.04, 99,465.72 and 21,938.32

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Solution

The fourth proportional to 66,309.04, 99,465.72 and 21,938.32 is: 32,908.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,309.04 : 99,465.72 = 21,938.32 : x
  2. Step 2: Convert to fraction form
    66,309.04/99,465.72 = 21,938.32/x
  3. Step 3: Cross multiply
    66,309.04x = 99,465.72 × 21,938.32
  4. Step 4: Simplify right side
    66,309.04x = 2,182,110,794.39
  5. Step 5: Solve for x
    x = 2,182,110,794.39/66,309.04
  6. Step 6: Final answer
    x = 32,908.19

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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.