Home / 55,774.64-76,950.16-31,884.40

Finding the Fourth Proportional to 55,774.64, 76,950.16 and 31,884.40

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Solution

The fourth proportional to 55,774.64, 76,950.16 and 31,884.40 is: 43,989.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,774.64 : 76,950.16 = 31,884.40 : x
  2. Step 2: Convert to fraction form
    55,774.64/76,950.16 = 31,884.40/x
  3. Step 3: Cross multiply
    55,774.64x = 76,950.16 × 31,884.40
  4. Step 4: Simplify right side
    55,774.64x = 2,453,509,681.50
  5. Step 5: Solve for x
    x = 2,453,509,681.50/55,774.64
  6. Step 6: Final answer
    x = 43,989.70

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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.