Home / 42,940.04-64,386.30-14,844.92

Finding the Fourth Proportional to 42,940.04, 64,386.30 and 14,844.92

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Solution

The fourth proportional to 42,940.04, 64,386.30 and 14,844.92 is: 22,259.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,940.04 : 64,386.30 = 14,844.92 : x
  2. Step 2: Convert to fraction form
    42,940.04/64,386.30 = 14,844.92/x
  3. Step 3: Cross multiply
    42,940.04x = 64,386.30 × 14,844.92
  4. Step 4: Simplify right side
    42,940.04x = 955,809,472.60
  5. Step 5: Solve for x
    x = 955,809,472.60/42,940.04
  6. Step 6: Final answer
    x = 22,259.17

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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.