Home / 55,276.07-76,281.21-31,404.06

Finding the Fourth Proportional to 55,276.07, 76,281.21 and 31,404.06

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Solution

The fourth proportional to 55,276.07, 76,281.21 and 31,404.06 is: 43,337.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,276.07 : 76,281.21 = 31,404.06 : x
  2. Step 2: Convert to fraction form
    55,276.07/76,281.21 = 31,404.06/x
  3. Step 3: Cross multiply
    55,276.07x = 76,281.21 × 31,404.06
  4. Step 4: Simplify right side
    55,276.07x = 2,395,539,695.71
  5. Step 5: Solve for x
    x = 2,395,539,695.71/55,276.07
  6. Step 6: Final answer
    x = 43,337.74

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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.