Home / 66,426.23-91,666.05-36,211.07

Finding the Fourth Proportional to 66,426.23, 91,666.05 and 36,211.07

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Solution

The fourth proportional to 66,426.23, 91,666.05 and 36,211.07 is: 49,970.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,426.23 : 91,666.05 = 36,211.07 : x
  2. Step 2: Convert to fraction form
    66,426.23/91,666.05 = 36,211.07/x
  3. Step 3: Cross multiply
    66,426.23x = 91,666.05 × 36,211.07
  4. Step 4: Simplify right side
    66,426.23x = 3,319,325,294.84
  5. Step 5: Solve for x
    x = 3,319,325,294.84/66,426.23
  6. Step 6: Final answer
    x = 49,970.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.