Home / 35,478.32-53,224.68-13,291.16

Finding the Fourth Proportional to 35,478.32, 53,224.68 and 13,291.16

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Solution

The fourth proportional to 35,478.32, 53,224.68 and 13,291.16 is: 19,939.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,478.32 : 53,224.68 = 13,291.16 : x
  2. Step 2: Convert to fraction form
    35,478.32/53,224.68 = 13,291.16/x
  3. Step 3: Cross multiply
    35,478.32x = 53,224.68 × 13,291.16
  4. Step 4: Simplify right side
    35,478.32x = 707,417,737.83
  5. Step 5: Solve for x
    x = 707,417,737.83/35,478.32
  6. Step 6: Final answer
    x = 19,939.44

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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.