Home / 39,391.67-59,088.30-11,312.65

Finding the Fourth Proportional to 39,391.67, 59,088.30 and 11,312.65

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Solution

The fourth proportional to 39,391.67, 59,088.30 and 11,312.65 is: 16,969.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,391.67 : 59,088.30 = 11,312.65 : x
  2. Step 2: Convert to fraction form
    39,391.67/59,088.30 = 11,312.65/x
  3. Step 3: Cross multiply
    39,391.67x = 59,088.30 × 11,312.65
  4. Step 4: Simplify right side
    39,391.67x = 668,445,257.00
  5. Step 5: Solve for x
    x = 668,445,257.00/39,391.67
  6. Step 6: Final answer
    x = 16,969.20

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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.