Home / 30,607.77-42,239.16-18,032.52

Finding the Fourth Proportional to 30,607.77, 42,239.16 and 18,032.52

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Solution

The fourth proportional to 30,607.77, 42,239.16 and 18,032.52 is: 24,885.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,607.77 : 42,239.16 = 18,032.52 : x
  2. Step 2: Convert to fraction form
    30,607.77/42,239.16 = 18,032.52/x
  3. Step 3: Cross multiply
    30,607.77x = 42,239.16 × 18,032.52
  4. Step 4: Simplify right side
    30,607.77x = 761,678,497.48
  5. Step 5: Solve for x
    x = 761,678,497.48/30,607.77
  6. Step 6: Final answer
    x = 24,885.14

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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.