Home / 40,798.40-56,359.14-31,486.64

Finding the Fourth Proportional to 40,798.40, 56,359.14 and 31,486.64

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Solution

The fourth proportional to 40,798.40, 56,359.14 and 31,486.64 is: 43,495.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,798.40 : 56,359.14 = 31,486.64 : x
  2. Step 2: Convert to fraction form
    40,798.40/56,359.14 = 31,486.64/x
  3. Step 3: Cross multiply
    40,798.40x = 56,359.14 × 31,486.64
  4. Step 4: Simplify right side
    40,798.40x = 1,774,559,951.89
  5. Step 5: Solve for x
    x = 1,774,559,951.89/40,798.40
  6. Step 6: Final answer
    x = 43,495.82

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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.