Home / 38,435.78-53,038.80-22,303.58

Finding the Fourth Proportional to 38,435.78, 53,038.80 and 22,303.58

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Solution

The fourth proportional to 38,435.78, 53,038.80 and 22,303.58 is: 30,777.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,435.78 : 53,038.80 = 22,303.58 : x
  2. Step 2: Convert to fraction form
    38,435.78/53,038.80 = 22,303.58/x
  3. Step 3: Cross multiply
    38,435.78x = 53,038.80 × 22,303.58
  4. Step 4: Simplify right side
    38,435.78x = 1,182,954,853.71
  5. Step 5: Solve for x
    x = 1,182,954,853.71/38,435.78
  6. Step 6: Final answer
    x = 30,777.44

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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.