Home / 43,006.77-64,437.44-20,830.77

Finding the Fourth Proportional to 43,006.77, 64,437.44 and 20,830.77

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Solution

The fourth proportional to 43,006.77, 64,437.44 and 20,830.77 is: 31,210.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,006.77 : 64,437.44 = 20,830.77 : x
  2. Step 2: Convert to fraction form
    43,006.77/64,437.44 = 20,830.77/x
  3. Step 3: Cross multiply
    43,006.77x = 64,437.44 × 20,830.77
  4. Step 4: Simplify right side
    43,006.77x = 1,342,281,387.87
  5. Step 5: Solve for x
    x = 1,342,281,387.87/43,006.77
  6. Step 6: Final answer
    x = 31,210.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.