Home / 42,742.08-58,985.28-23,878.80

Finding the Fourth Proportional to 42,742.08, 58,985.28 and 23,878.80

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Solution

The fourth proportional to 42,742.08, 58,985.28 and 23,878.80 is: 32,953.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,742.08 : 58,985.28 = 23,878.80 : x
  2. Step 2: Convert to fraction form
    42,742.08/58,985.28 = 23,878.80/x
  3. Step 3: Cross multiply
    42,742.08x = 58,985.28 × 23,878.80
  4. Step 4: Simplify right side
    42,742.08x = 1,408,497,704.06
  5. Step 5: Solve for x
    x = 1,408,497,704.06/42,742.08
  6. Step 6: Final answer
    x = 32,953.42

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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.