Home / 38,510.51-57,767.67-12,212.82

Finding the Fourth Proportional to 38,510.51, 57,767.67 and 12,212.82

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Solution

The fourth proportional to 38,510.51, 57,767.67 and 12,212.82 is: 18,319.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,510.51 : 57,767.67 = 12,212.82 : x
  2. Step 2: Convert to fraction form
    38,510.51/57,767.67 = 12,212.82/x
  3. Step 3: Cross multiply
    38,510.51x = 57,767.67 × 12,212.82
  4. Step 4: Simplify right side
    38,510.51x = 705,506,155.53
  5. Step 5: Solve for x
    x = 705,506,155.53/38,510.51
  6. Step 6: Final answer
    x = 18,319.84

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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.