Home / 39,598.95-54,646.62-21,693.57

Finding the Fourth Proportional to 39,598.95, 54,646.62 and 21,693.57

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Solution

The fourth proportional to 39,598.95, 54,646.62 and 21,693.57 is: 29,937.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,598.95 : 54,646.62 = 21,693.57 : x
  2. Step 2: Convert to fraction form
    39,598.95/54,646.62 = 21,693.57/x
  3. Step 3: Cross multiply
    39,598.95x = 54,646.62 × 21,693.57
  4. Step 4: Simplify right side
    39,598.95x = 1,185,480,276.23
  5. Step 5: Solve for x
    x = 1,185,480,276.23/39,598.95
  6. Step 6: Final answer
    x = 29,937.16

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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.