Home / 38,689.40-53,402.44-22,783.07

Finding the Fourth Proportional to 38,689.40, 53,402.44 and 22,783.07

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Solution

The fourth proportional to 38,689.40, 53,402.44 and 22,783.07 is: 31,447.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,689.40 : 53,402.44 = 22,783.07 : x
  2. Step 2: Convert to fraction form
    38,689.40/53,402.44 = 22,783.07/x
  3. Step 3: Cross multiply
    38,689.40x = 53,402.44 × 22,783.07
  4. Step 4: Simplify right side
    38,689.40x = 1,216,671,647.96
  5. Step 5: Solve for x
    x = 1,216,671,647.96/38,689.40
  6. Step 6: Final answer
    x = 31,447.16

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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.