Home / 58,259.45-87,201.18-30,140.79

Finding the Fourth Proportional to 58,259.45, 87,201.18 and 30,140.79

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Solution

The fourth proportional to 58,259.45, 87,201.18 and 30,140.79 is: 45,113.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,259.45 : 87,201.18 = 30,140.79 : x
  2. Step 2: Convert to fraction form
    58,259.45/87,201.18 = 30,140.79/x
  3. Step 3: Cross multiply
    58,259.45x = 87,201.18 × 30,140.79
  4. Step 4: Simplify right side
    58,259.45x = 2,628,312,454.13
  5. Step 5: Solve for x
    x = 2,628,312,454.13/58,259.45
  6. Step 6: Final answer
    x = 45,113.93

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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.