Home / 48,483.64-66,915.38-28,336.58

Finding the Fourth Proportional to 48,483.64, 66,915.38 and 28,336.58

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Solution

The fourth proportional to 48,483.64, 66,915.38 and 28,336.58 is: 39,109.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,483.64 : 66,915.38 = 28,336.58 : x
  2. Step 2: Convert to fraction form
    48,483.64/66,915.38 = 28,336.58/x
  3. Step 3: Cross multiply
    48,483.64x = 66,915.38 × 28,336.58
  4. Step 4: Simplify right side
    48,483.64x = 1,896,153,044.21
  5. Step 5: Solve for x
    x = 1,896,153,044.21/48,483.64
  6. Step 6: Final answer
    x = 39,109.13

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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.