Home / 42,897.40-64,354.70-14,818.48

Finding the Fourth Proportional to 42,897.40, 64,354.70 and 14,818.48

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Solution

The fourth proportional to 42,897.40, 64,354.70 and 14,818.48 is: 22,230.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,897.40 : 64,354.70 = 14,818.48 : x
  2. Step 2: Convert to fraction form
    42,897.40/64,354.70 = 14,818.48/x
  3. Step 3: Cross multiply
    42,897.40x = 64,354.70 × 14,818.48
  4. Step 4: Simplify right side
    42,897.40x = 953,638,438.99
  5. Step 5: Solve for x
    x = 953,638,438.99/42,897.40
  6. Step 6: Final answer
    x = 22,230.68

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1.5x scale

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.