Home / 31,779.36-47,923.44-31,341.84

Finding the Fourth Proportional to 31,779.36, 47,923.44 and 31,341.84

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Solution

The fourth proportional to 31,779.36, 47,923.44 and 31,341.84 is: 47,263.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,779.36 : 47,923.44 = 31,341.84 : x
  2. Step 2: Convert to fraction form
    31,779.36/47,923.44 = 31,341.84/x
  3. Step 3: Cross multiply
    31,779.36x = 47,923.44 × 31,341.84
  4. Step 4: Simplify right side
    31,779.36x = 1,502,008,788.73
  5. Step 5: Solve for x
    x = 1,502,008,788.73/31,779.36
  6. Step 6: Final answer
    x = 47,263.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.