Home / 38,607.19-53,282.95-21,617.91

Finding the Fourth Proportional to 38,607.19, 53,282.95 and 21,617.91

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Solution

The fourth proportional to 38,607.19, 53,282.95 and 21,617.91 is: 29,835.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,607.19 : 53,282.95 = 21,617.91 : x
  2. Step 2: Convert to fraction form
    38,607.19/53,282.95 = 21,617.91/x
  3. Step 3: Cross multiply
    38,607.19x = 53,282.95 × 21,617.91
  4. Step 4: Simplify right side
    38,607.19x = 1,151,865,963.59
  5. Step 5: Solve for x
    x = 1,151,865,963.59/38,607.19
  6. Step 6: Final answer
    x = 29,835.53

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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.