Home / 38,276.93-52,820.02-21,509.93

Finding the Fourth Proportional to 38,276.93, 52,820.02 and 21,509.93

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Solution

The fourth proportional to 38,276.93, 52,820.02 and 21,509.93 is: 29,682.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,276.93 : 52,820.02 = 21,509.93 : x
  2. Step 2: Convert to fraction form
    38,276.93/52,820.02 = 21,509.93/x
  3. Step 3: Cross multiply
    38,276.93x = 52,820.02 × 21,509.93
  4. Step 4: Simplify right side
    38,276.93x = 1,136,154,932.80
  5. Step 5: Solve for x
    x = 1,136,154,932.80/38,276.93
  6. Step 6: Final answer
    x = 29,682.50

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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.