Home / 66,210.08-91,365.84-37,909.28

Finding the Fourth Proportional to 66,210.08, 91,365.84 and 37,909.28

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Solution

The fourth proportional to 66,210.08, 91,365.84 and 37,909.28 is: 52,312.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,210.08 : 91,365.84 = 37,909.28 : x
  2. Step 2: Convert to fraction form
    66,210.08/91,365.84 = 37,909.28/x
  3. Step 3: Cross multiply
    66,210.08x = 91,365.84 × 37,909.28
  4. Step 4: Simplify right side
    66,210.08x = 3,463,613,211.00
  5. Step 5: Solve for x
    x = 3,463,613,211.00/66,210.08
  6. Step 6: Final answer
    x = 52,312.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.