Home / 39,618.34-59,432.67-12,955.02

Finding the Fourth Proportional to 39,618.34, 59,432.67 and 12,955.02

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Solution

The fourth proportional to 39,618.34, 59,432.67 and 12,955.02 is: 19,434.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,618.34 : 59,432.67 = 12,955.02 : x
  2. Step 2: Convert to fraction form
    39,618.34/59,432.67 = 12,955.02/x
  3. Step 3: Cross multiply
    39,618.34x = 59,432.67 × 12,955.02
  4. Step 4: Simplify right side
    39,618.34x = 769,951,205.63
  5. Step 5: Solve for x
    x = 769,951,205.63/39,618.34
  6. Step 6: Final answer
    x = 19,434.21

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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.