Home / 58,617.48-87,887.34-19,160.76

Finding the Fourth Proportional to 58,617.48, 87,887.34 and 19,160.76

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Solution

The fourth proportional to 58,617.48, 87,887.34 and 19,160.76 is: 28,728.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,617.48 : 87,887.34 = 19,160.76 : x
  2. Step 2: Convert to fraction form
    58,617.48/87,887.34 = 19,160.76/x
  3. Step 3: Cross multiply
    58,617.48x = 87,887.34 × 19,160.76
  4. Step 4: Simplify right side
    58,617.48x = 1,683,988,228.78
  5. Step 5: Solve for x
    x = 1,683,988,228.78/58,617.48
  6. Step 6: Final answer
    x = 28,728.43

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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.