Home / 38,038.75-52,492.93-21,042.59

Finding the Fourth Proportional to 38,038.75, 52,492.93 and 21,042.59

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Solution

The fourth proportional to 38,038.75, 52,492.93 and 21,042.59 is: 29,038.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,038.75 : 52,492.93 = 21,042.59 : x
  2. Step 2: Convert to fraction form
    38,038.75/52,492.93 = 21,042.59/x
  3. Step 3: Cross multiply
    38,038.75x = 52,492.93 × 21,042.59
  4. Step 4: Simplify right side
    38,038.75x = 1,104,586,888.82
  5. Step 5: Solve for x
    x = 1,104,586,888.82/38,038.75
  6. Step 6: Final answer
    x = 29,038.47

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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.