Home / 42,909.58-64,354.11-14,830.63

Finding the Fourth Proportional to 42,909.58, 64,354.11 and 14,830.63

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Solution

The fourth proportional to 42,909.58, 64,354.11 and 14,830.63 is: 22,242.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,909.58 : 64,354.11 = 14,830.63 : x
  2. Step 2: Convert to fraction form
    42,909.58/64,354.11 = 14,830.63/x
  3. Step 3: Cross multiply
    42,909.58x = 64,354.11 × 14,830.63
  4. Step 4: Simplify right side
    42,909.58x = 954,411,994.39
  5. Step 5: Solve for x
    x = 954,411,994.39/42,909.58
  6. Step 6: Final answer
    x = 22,242.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.