Home / 39,678.16-59,520.74-14,718.48

Finding the Fourth Proportional to 39,678.16, 59,520.74 and 14,718.48

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Solution

The fourth proportional to 39,678.16, 59,520.74 and 14,718.48 is: 22,079.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,678.16 : 59,520.74 = 14,718.48 : x
  2. Step 2: Convert to fraction form
    39,678.16/59,520.74 = 14,718.48/x
  3. Step 3: Cross multiply
    39,678.16x = 59,520.74 × 14,718.48
  4. Step 4: Simplify right side
    39,678.16x = 876,054,821.28
  5. Step 5: Solve for x
    x = 876,054,821.28/39,678.16
  6. Step 6: Final answer
    x = 22,079.02

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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.