Home / 51,237.05-70,707.51-28,577.52

Finding the Fourth Proportional to 51,237.05, 70,707.51 and 28,577.52

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Solution

The fourth proportional to 51,237.05, 70,707.51 and 28,577.52 is: 39,437.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,237.05 : 70,707.51 = 28,577.52 : x
  2. Step 2: Convert to fraction form
    51,237.05/70,707.51 = 28,577.52/x
  3. Step 3: Cross multiply
    51,237.05x = 70,707.51 × 28,577.52
  4. Step 4: Simplify right side
    51,237.05x = 2,020,645,281.18
  5. Step 5: Solve for x
    x = 2,020,645,281.18/51,237.05
  6. Step 6: Final answer
    x = 39,437.19

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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.