Home / 32,729.04-45,184.68-21,570.48

Finding the Fourth Proportional to 32,729.04, 45,184.68 and 21,570.48

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Solution

The fourth proportional to 32,729.04, 45,184.68 and 21,570.48 is: 29,779.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,729.04 : 45,184.68 = 21,570.48 : x
  2. Step 2: Convert to fraction form
    32,729.04/45,184.68 = 21,570.48/x
  3. Step 3: Cross multiply
    32,729.04x = 45,184.68 × 21,570.48
  4. Step 4: Simplify right side
    32,729.04x = 974,655,236.25
  5. Step 5: Solve for x
    x = 974,655,236.25/32,729.04
  6. Step 6: Final answer
    x = 29,779.52

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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.