Home / 51,384.89-70,909.66-28,723.93

Finding the Fourth Proportional to 51,384.89, 70,909.66 and 28,723.93

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Solution

The fourth proportional to 51,384.89, 70,909.66 and 28,723.93 is: 39,638.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,384.89 : 70,909.66 = 28,723.93 : x
  2. Step 2: Convert to fraction form
    51,384.89/70,909.66 = 28,723.93/x
  3. Step 3: Cross multiply
    51,384.89x = 70,909.66 × 28,723.93
  4. Step 4: Simplify right side
    51,384.89x = 2,036,803,968.79
  5. Step 5: Solve for x
    x = 2,036,803,968.79/51,384.89
  6. Step 6: Final answer
    x = 39,638.19

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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.