Home / 38,038.68-52,492.34-21,042.45

Finding the Fourth Proportional to 38,038.68, 52,492.34 and 21,042.45

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Solution

The fourth proportional to 38,038.68, 52,492.34 and 21,042.45 is: 29,038.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,038.68 : 52,492.34 = 21,042.45 : x
  2. Step 2: Convert to fraction form
    38,038.68/52,492.34 = 21,042.45/x
  3. Step 3: Cross multiply
    38,038.68x = 52,492.34 × 21,042.45
  4. Step 4: Simplify right side
    38,038.68x = 1,104,567,492.44
  5. Step 5: Solve for x
    x = 1,104,567,492.44/38,038.68
  6. Step 6: Final answer
    x = 29,038.01

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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.