Home / 32,870.13-45,368.99-18,731.17

Finding the Fourth Proportional to 32,870.13, 45,368.99 and 18,731.17

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Solution

The fourth proportional to 32,870.13, 45,368.99 and 18,731.17 is: 25,853.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,870.13 : 45,368.99 = 18,731.17 : x
  2. Step 2: Convert to fraction form
    32,870.13/45,368.99 = 18,731.17/x
  3. Step 3: Cross multiply
    32,870.13x = 45,368.99 × 18,731.17
  4. Step 4: Simplify right side
    32,870.13x = 849,814,264.42
  5. Step 5: Solve for x
    x = 849,814,264.42/32,870.13
  6. Step 6: Final answer
    x = 25,853.69

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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.