Home / 51,162.51-70,603.20-28,501.47

Finding the Fourth Proportional to 51,162.51, 70,603.20 and 28,501.47

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Solution

The fourth proportional to 51,162.51, 70,603.20 and 28,501.47 is: 39,331.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,162.51 : 70,603.20 = 28,501.47 : x
  2. Step 2: Convert to fraction form
    51,162.51/70,603.20 = 28,501.47/x
  3. Step 3: Cross multiply
    51,162.51x = 70,603.20 × 28,501.47
  4. Step 4: Simplify right side
    51,162.51x = 2,012,294,986.70
  5. Step 5: Solve for x
    x = 2,012,294,986.70/51,162.51
  6. Step 6: Final answer
    x = 39,331.44

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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.