Home / 35,377.52-53,045.91-21,160.19

Finding the Fourth Proportional to 35,377.52, 53,045.91 and 21,160.19

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Solution

The fourth proportional to 35,377.52, 53,045.91 and 21,160.19 is: 31,728.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,377.52 : 53,045.91 = 21,160.19 : x
  2. Step 2: Convert to fraction form
    35,377.52/53,045.91 = 21,160.19/x
  3. Step 3: Cross multiply
    35,377.52x = 53,045.91 × 21,160.19
  4. Step 4: Simplify right side
    35,377.52x = 1,122,461,269.09
  5. Step 5: Solve for x
    x = 1,122,461,269.09/35,377.52
  6. Step 6: Final answer
    x = 31,728.10

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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.