Home / 32,638.77-45,041.11-18,298.53

Finding the Fourth Proportional to 32,638.77, 45,041.11 and 18,298.53

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Solution

The fourth proportional to 32,638.77, 45,041.11 and 18,298.53 is: 25,251.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,638.77 : 45,041.11 = 18,298.53 : x
  2. Step 2: Convert to fraction form
    32,638.77/45,041.11 = 18,298.53/x
  3. Step 3: Cross multiply
    32,638.77x = 45,041.11 × 18,298.53
  4. Step 4: Simplify right side
    32,638.77x = 824,185,877.36
  5. Step 5: Solve for x
    x = 824,185,877.36/32,638.77
  6. Step 6: Final answer
    x = 25,251.75

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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.