Home / 35,790.80-53,695.91-12,419.06

Finding the Fourth Proportional to 35,790.80, 53,695.91 and 12,419.06

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Solution

The fourth proportional to 35,790.80, 53,695.91 and 12,419.06 is: 18,631.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,790.80 : 53,695.91 = 12,419.06 : x
  2. Step 2: Convert to fraction form
    35,790.80/53,695.91 = 12,419.06/x
  3. Step 3: Cross multiply
    35,790.80x = 53,695.91 × 12,419.06
  4. Step 4: Simplify right side
    35,790.80x = 666,852,490.61
  5. Step 5: Solve for x
    x = 666,852,490.61/35,790.80
  6. Step 6: Final answer
    x = 18,631.96

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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.