Home / 45,948.16-63,415.40-28,053.60

Finding the Fourth Proportional to 45,948.16, 63,415.40 and 28,053.60

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Solution

The fourth proportional to 45,948.16, 63,415.40 and 28,053.60 is: 38,718.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,948.16 : 63,415.40 = 28,053.60 : x
  2. Step 2: Convert to fraction form
    45,948.16/63,415.40 = 28,053.60/x
  3. Step 3: Cross multiply
    45,948.16x = 63,415.40 × 28,053.60
  4. Step 4: Simplify right side
    45,948.16x = 1,779,030,265.44
  5. Step 5: Solve for x
    x = 1,779,030,265.44/45,948.16
  6. Step 6: Final answer
    x = 38,718.20

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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.