Home / 38,870.96-53,637-22,104.32

Finding the Fourth Proportional to 38,870.96, 53,637 and 22,104.32

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Solution

The fourth proportional to 38,870.96, 53,637 and 22,104.32 is: 30,501.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,870.96 : 53,637 = 22,104.32 : x
  2. Step 2: Convert to fraction form
    38,870.96/53,637 = 22,104.32/x
  3. Step 3: Cross multiply
    38,870.96x = 53,637 × 22,104.32
  4. Step 4: Simplify right side
    38,870.96x = 1,185,609,411.84
  5. Step 5: Solve for x
    x = 1,185,609,411.84/38,870.96
  6. Step 6: Final answer
    x = 30,501.16

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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.