Home / 32,729.18-45,168.02-19,308.28

Finding the Fourth Proportional to 32,729.18, 45,168.02 and 19,308.28

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Solution

The fourth proportional to 32,729.18, 45,168.02 and 19,308.28 is: 26,646.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,729.18 : 45,168.02 = 19,308.28 : x
  2. Step 2: Convert to fraction form
    32,729.18/45,168.02 = 19,308.28/x
  3. Step 3: Cross multiply
    32,729.18x = 45,168.02 × 19,308.28
  4. Step 4: Simplify right side
    32,729.18x = 872,116,777.21
  5. Step 5: Solve for x
    x = 872,116,777.21/32,729.18
  6. Step 6: Final answer
    x = 26,646.46

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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.