Home / 51,047.53-70,445.66-28,386.04

Finding the Fourth Proportional to 51,047.53, 70,445.66 and 28,386.04

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Solution

The fourth proportional to 51,047.53, 70,445.66 and 28,386.04 is: 39,172.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,047.53 : 70,445.66 = 28,386.04 : x
  2. Step 2: Convert to fraction form
    51,047.53/70,445.66 = 28,386.04/x
  3. Step 3: Cross multiply
    51,047.53x = 70,445.66 × 28,386.04
  4. Step 4: Simplify right side
    51,047.53x = 1,999,673,322.59
  5. Step 5: Solve for x
    x = 1,999,673,322.59/51,047.53
  6. Step 6: Final answer
    x = 39,172.77

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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.