Home / 31,564.19-43,746.70-30,973.70

Finding the Fourth Proportional to 31,564.19, 43,746.70 and 30,973.70

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Solution

The fourth proportional to 31,564.19, 43,746.70 and 30,973.70 is: 42,928.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,564.19 : 43,746.70 = 30,973.70 : x
  2. Step 2: Convert to fraction form
    31,564.19/43,746.70 = 30,973.70/x
  3. Step 3: Cross multiply
    31,564.19x = 43,746.70 × 30,973.70
  4. Step 4: Simplify right side
    31,564.19x = 1,354,997,193.72
  5. Step 5: Solve for x
    x = 1,354,997,193.72/31,564.19
  6. Step 6: Final answer
    x = 42,928.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.