Home / 51,048.33-70,445.37-28,386.15

Finding the Fourth Proportional to 51,048.33, 70,445.37 and 28,386.15

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Solution

The fourth proportional to 51,048.33, 70,445.37 and 28,386.15 is: 39,172.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,048.33 : 70,445.37 = 28,386.15 : x
  2. Step 2: Convert to fraction form
    51,048.33/70,445.37 = 28,386.15/x
  3. Step 3: Cross multiply
    51,048.33x = 70,445.37 × 28,386.15
  4. Step 4: Simplify right side
    51,048.33x = 1,999,672,839.63
  5. Step 5: Solve for x
    x = 1,999,672,839.63/51,048.33
  6. Step 6: Final answer
    x = 39,172.15

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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.