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Finding the Fourth Proportional to 51,364.80, 77,060.70 and 16,304.40

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Solution

The fourth proportional to 51,364.80, 77,060.70 and 16,304.40 is: 24,460.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,364.80 : 77,060.70 = 16,304.40 : x
  2. Step 2: Convert to fraction form
    51,364.80/77,060.70 = 16,304.40/x
  3. Step 3: Cross multiply
    51,364.80x = 77,060.70 × 16,304.40
  4. Step 4: Simplify right side
    51,364.80x = 1,256,428,477.08
  5. Step 5: Solve for x
    x = 1,256,428,477.08/51,364.80
  6. Step 6: Final answer
    x = 24,460.89

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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.