Home / 40,647.51-61,275.93-37,938.06

Finding the Fourth Proportional to 40,647.51, 61,275.93 and 37,938.06

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Solution

The fourth proportional to 40,647.51, 61,275.93 and 37,938.06 is: 57,191.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,647.51 : 61,275.93 = 37,938.06 : x
  2. Step 2: Convert to fraction form
    40,647.51/61,275.93 = 37,938.06/x
  3. Step 3: Cross multiply
    40,647.51x = 61,275.93 × 37,938.06
  4. Step 4: Simplify right side
    40,647.51x = 2,324,689,719.21
  5. Step 5: Solve for x
    x = 2,324,689,719.21/40,647.51
  6. Step 6: Final answer
    x = 57,191.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.