Home / 40,935.80-61,403.70-14,641.40

Finding the Fourth Proportional to 40,935.80, 61,403.70 and 14,641.40

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Solution

The fourth proportional to 40,935.80, 61,403.70 and 14,641.40 is: 21,962.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,935.80 : 61,403.70 = 14,641.40 : x
  2. Step 2: Convert to fraction form
    40,935.80/61,403.70 = 14,641.40/x
  3. Step 3: Cross multiply
    40,935.80x = 61,403.70 × 14,641.40
  4. Step 4: Simplify right side
    40,935.80x = 899,036,133.18
  5. Step 5: Solve for x
    x = 899,036,133.18/40,935.80
  6. Step 6: Final answer
    x = 21,962.10

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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.