Home / 32,545.09-45,142.29-31,681.40

Finding the Fourth Proportional to 32,545.09, 45,142.29 and 31,681.40

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Solution

The fourth proportional to 32,545.09, 45,142.29 and 31,681.40 is: 43,944.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,545.09 : 45,142.29 = 31,681.40 : x
  2. Step 2: Convert to fraction form
    32,545.09/45,142.29 = 31,681.40/x
  3. Step 3: Cross multiply
    32,545.09x = 45,142.29 × 31,681.40
  4. Step 4: Simplify right side
    32,545.09x = 1,430,171,012.48
  5. Step 5: Solve for x
    x = 1,430,171,012.48/32,545.09
  6. Step 6: Final answer
    x = 43,944.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.