Home / 42,703.48-64,058.28-12,307.38

Finding the Fourth Proportional to 42,703.48, 64,058.28 and 12,307.38

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Solution

The fourth proportional to 42,703.48, 64,058.28 and 12,307.38 is: 18,461.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,703.48 : 64,058.28 = 12,307.38 : x
  2. Step 2: Convert to fraction form
    42,703.48/64,058.28 = 12,307.38/x
  3. Step 3: Cross multiply
    42,703.48x = 64,058.28 × 12,307.38
  4. Step 4: Simplify right side
    42,703.48x = 788,389,594.11
  5. Step 5: Solve for x
    x = 788,389,594.11/42,703.48
  6. Step 6: Final answer
    x = 18,461.95

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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.