Home / 35,545.65-53,240.71-21,665.49

Finding the Fourth Proportional to 35,545.65, 53,240.71 and 21,665.49

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Solution

The fourth proportional to 35,545.65, 53,240.71 and 21,665.49 is: 32,450.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,545.65 : 53,240.71 = 21,665.49 : x
  2. Step 2: Convert to fraction form
    35,545.65/53,240.71 = 21,665.49/x
  3. Step 3: Cross multiply
    35,545.65x = 53,240.71 × 21,665.49
  4. Step 4: Simplify right side
    35,545.65x = 1,153,486,070.10
  5. Step 5: Solve for x
    x = 1,153,486,070.10/35,545.65
  6. Step 6: Final answer
    x = 32,450.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.