Home / 38,618.28-53,293.98-30,130.02

Finding the Fourth Proportional to 38,618.28, 53,293.98 and 30,130.02

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Solution

The fourth proportional to 38,618.28, 53,293.98 and 30,130.02 is: 41,580.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,618.28 : 53,293.98 = 30,130.02 : x
  2. Step 2: Convert to fraction form
    38,618.28/53,293.98 = 30,130.02/x
  3. Step 3: Cross multiply
    38,618.28x = 53,293.98 × 30,130.02
  4. Step 4: Simplify right side
    38,618.28x = 1,605,748,683.28
  5. Step 5: Solve for x
    x = 1,605,748,683.28/38,618.28
  6. Step 6: Final answer
    x = 41,580.02

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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.