Home / 38,130.08-52,619.36-21,363.04

Finding the Fourth Proportional to 38,130.08, 52,619.36 and 21,363.04

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Solution

The fourth proportional to 38,130.08, 52,619.36 and 21,363.04 is: 29,480.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,130.08 : 52,619.36 = 21,363.04 : x
  2. Step 2: Convert to fraction form
    38,130.08/52,619.36 = 21,363.04/x
  3. Step 3: Cross multiply
    38,130.08x = 52,619.36 × 21,363.04
  4. Step 4: Simplify right side
    38,130.08x = 1,124,109,492.45
  5. Step 5: Solve for x
    x = 1,124,109,492.45/38,130.08
  6. Step 6: Final answer
    x = 29,480.91

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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.