Home / 47,013.16-70,501.98-18,923.65

Finding the Fourth Proportional to 47,013.16, 70,501.98 and 18,923.65

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Solution

The fourth proportional to 47,013.16, 70,501.98 and 18,923.65 is: 28,378.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,013.16 : 70,501.98 = 18,923.65 : x
  2. Step 2: Convert to fraction form
    47,013.16/70,501.98 = 18,923.65/x
  3. Step 3: Cross multiply
    47,013.16x = 70,501.98 × 18,923.65
  4. Step 4: Simplify right side
    47,013.16x = 1,334,154,793.83
  5. Step 5: Solve for x
    x = 1,334,154,793.83/47,013.16
  6. Step 6: Final answer
    x = 28,378.33

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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.