Home / 39,756.13-54,830.59-26,988.32

Finding the Fourth Proportional to 39,756.13, 54,830.59 and 26,988.32

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Solution

The fourth proportional to 39,756.13, 54,830.59 and 26,988.32 is: 37,221.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,756.13 : 54,830.59 = 26,988.32 : x
  2. Step 2: Convert to fraction form
    39,756.13/54,830.59 = 26,988.32/x
  3. Step 3: Cross multiply
    39,756.13x = 54,830.59 × 26,988.32
  4. Step 4: Simplify right side
    39,756.13x = 1,479,785,508.71
  5. Step 5: Solve for x
    x = 1,479,785,508.71/39,756.13
  6. Step 6: Final answer
    x = 37,221.57

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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.