Home / 38,610.04-53,277.96-21,613.18

Finding the Fourth Proportional to 38,610.04, 53,277.96 and 21,613.18

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Solution

The fourth proportional to 38,610.04, 53,277.96 and 21,613.18 is: 29,824.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,610.04 : 53,277.96 = 21,613.18 : x
  2. Step 2: Convert to fraction form
    38,610.04/53,277.96 = 21,613.18/x
  3. Step 3: Cross multiply
    38,610.04x = 53,277.96 × 21,613.18
  4. Step 4: Simplify right side
    38,610.04x = 1,151,506,139.51
  5. Step 5: Solve for x
    x = 1,151,506,139.51/38,610.04
  6. Step 6: Final answer
    x = 29,824.01

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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.