Home / 52,665.04-72,678.90-31,440.34

Finding the Fourth Proportional to 52,665.04, 72,678.90 and 31,440.34

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Solution

The fourth proportional to 52,665.04, 72,678.90 and 31,440.34 is: 43,388.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,665.04 : 72,678.90 = 31,440.34 : x
  2. Step 2: Convert to fraction form
    52,665.04/72,678.90 = 31,440.34/x
  3. Step 3: Cross multiply
    52,665.04x = 72,678.90 × 31,440.34
  4. Step 4: Simplify right side
    52,665.04x = 2,285,049,326.83
  5. Step 5: Solve for x
    x = 2,285,049,326.83/52,665.04
  6. Step 6: Final answer
    x = 43,388.35

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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.