Home / 42,210.40-58,258.13-27,121.93

Finding the Fourth Proportional to 42,210.40, 58,258.13 and 27,121.93

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Solution

The fourth proportional to 42,210.40, 58,258.13 and 27,121.93 is: 37,433.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,210.40 : 58,258.13 = 27,121.93 : x
  2. Step 2: Convert to fraction form
    42,210.40/58,258.13 = 27,121.93/x
  3. Step 3: Cross multiply
    42,210.40x = 58,258.13 × 27,121.93
  4. Step 4: Simplify right side
    42,210.40x = 1,580,072,923.79
  5. Step 5: Solve for x
    x = 1,580,072,923.79/42,210.40
  6. Step 6: Final answer
    x = 37,433.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.