Home / 55,813.40-77,000.70-31,927.32

Finding the Fourth Proportional to 55,813.40, 77,000.70 and 31,927.32

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Solution

The fourth proportional to 55,813.40, 77,000.70 and 31,927.32 is: 44,047.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,813.40 : 77,000.70 = 31,927.32 : x
  2. Step 2: Convert to fraction form
    55,813.40/77,000.70 = 31,927.32/x
  3. Step 3: Cross multiply
    55,813.40x = 77,000.70 × 31,927.32
  4. Step 4: Simplify right side
    55,813.40x = 2,458,425,989.12
  5. Step 5: Solve for x
    x = 2,458,425,989.12/55,813.40
  6. Step 6: Final answer
    x = 44,047.24

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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.