Home / 58,657.77-87,999.46-21,213.93

Finding the Fourth Proportional to 58,657.77, 87,999.46 and 21,213.93

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Solution

The fourth proportional to 58,657.77, 87,999.46 and 21,213.93 is: 31,825.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,657.77 : 87,999.46 = 21,213.93 : x
  2. Step 2: Convert to fraction form
    58,657.77/87,999.46 = 21,213.93/x
  3. Step 3: Cross multiply
    58,657.77x = 87,999.46 × 21,213.93
  4. Step 4: Simplify right side
    58,657.77x = 1,866,814,740.99
  5. Step 5: Solve for x
    x = 1,866,814,740.99/58,657.77
  6. Step 6: Final answer
    x = 31,825.53

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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.