Home / 39,842.81-55,005.95-26,432.25

Finding the Fourth Proportional to 39,842.81, 55,005.95 and 26,432.25

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Solution

The fourth proportional to 39,842.81, 55,005.95 and 26,432.25 is: 36,491.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,842.81 : 55,005.95 = 26,432.25 : x
  2. Step 2: Convert to fraction form
    39,842.81/55,005.95 = 26,432.25/x
  3. Step 3: Cross multiply
    39,842.81x = 55,005.95 × 26,432.25
  4. Step 4: Simplify right side
    39,842.81x = 1,453,931,021.89
  5. Step 5: Solve for x
    x = 1,453,931,021.89/39,842.81
  6. Step 6: Final answer
    x = 36,491.68

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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.