Home / 58,223.36-87,335.02-18,780.46

Finding the Fourth Proportional to 58,223.36, 87,335.02 and 18,780.46

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Solution

The fourth proportional to 58,223.36, 87,335.02 and 18,780.46 is: 28,170.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,223.36 : 87,335.02 = 18,780.46 : x
  2. Step 2: Convert to fraction form
    58,223.36/87,335.02 = 18,780.46/x
  3. Step 3: Cross multiply
    58,223.36x = 87,335.02 × 18,780.46
  4. Step 4: Simplify right side
    58,223.36x = 1,640,191,849.71
  5. Step 5: Solve for x
    x = 1,640,191,849.71/58,223.36
  6. Step 6: Final answer
    x = 28,170.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.