Home / 42,312.51-58,417.81-27,231.38

Finding the Fourth Proportional to 42,312.51, 58,417.81 and 27,231.38

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Solution

The fourth proportional to 42,312.51, 58,417.81 and 27,231.38 is: 37,596.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,312.51 : 58,417.81 = 27,231.38 : x
  2. Step 2: Convert to fraction form
    42,312.51/58,417.81 = 27,231.38/x
  3. Step 3: Cross multiply
    42,312.51x = 58,417.81 × 27,231.38
  4. Step 4: Simplify right side
    42,312.51x = 1,590,797,290.79
  5. Step 5: Solve for x
    x = 1,590,797,290.79/42,312.51
  6. Step 6: Final answer
    x = 37,596.39

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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.