Home / 51,089.72-70,503.80-28,430.17

Finding the Fourth Proportional to 51,089.72, 70,503.80 and 28,430.17

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Solution

The fourth proportional to 51,089.72, 70,503.80 and 28,430.17 is: 39,233.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,089.72 : 70,503.80 = 28,430.17 : x
  2. Step 2: Convert to fraction form
    51,089.72/70,503.80 = 28,430.17/x
  3. Step 3: Cross multiply
    51,089.72x = 70,503.80 × 28,430.17
  4. Step 4: Simplify right side
    51,089.72x = 2,004,434,667.13
  5. Step 5: Solve for x
    x = 2,004,434,667.13/51,089.72
  6. Step 6: Final answer
    x = 39,233.62

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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.