Home / 57,030.16-78,700.08-31,884.52

Finding the Fourth Proportional to 57,030.16, 78,700.08 and 31,884.52

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Solution

The fourth proportional to 57,030.16, 78,700.08 and 31,884.52 is: 43,999.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,030.16 : 78,700.08 = 31,884.52 : x
  2. Step 2: Convert to fraction form
    57,030.16/78,700.08 = 31,884.52/x
  3. Step 3: Cross multiply
    57,030.16x = 78,700.08 × 31,884.52
  4. Step 4: Simplify right side
    57,030.16x = 2,509,314,274.76
  5. Step 5: Solve for x
    x = 2,509,314,274.76/57,030.16
  6. Step 6: Final answer
    x = 43,999.78

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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.