Home / 46,915.68-64,721.76-28,045.92

Finding the Fourth Proportional to 46,915.68, 64,721.76 and 28,045.92

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Solution

The fourth proportional to 46,915.68, 64,721.76 and 28,045.92 is: 38,690.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,915.68 : 64,721.76 = 28,045.92 : x
  2. Step 2: Convert to fraction form
    46,915.68/64,721.76 = 28,045.92/x
  3. Step 3: Cross multiply
    46,915.68x = 64,721.76 × 28,045.92
  4. Step 4: Simplify right side
    46,915.68x = 1,815,181,303.22
  5. Step 5: Solve for x
    x = 1,815,181,303.22/46,915.68
  6. Step 6: Final answer
    x = 38,690.29

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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.