Home / 42,897.08-64,355.74-14,817.36

Finding the Fourth Proportional to 42,897.08, 64,355.74 and 14,817.36

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Solution

The fourth proportional to 42,897.08, 64,355.74 and 14,817.36 is: 22,229.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,897.08 : 64,355.74 = 14,817.36 : x
  2. Step 2: Convert to fraction form
    42,897.08/64,355.74 = 14,817.36/x
  3. Step 3: Cross multiply
    42,897.08x = 64,355.74 × 14,817.36
  4. Step 4: Simplify right side
    42,897.08x = 953,582,130.60
  5. Step 5: Solve for x
    x = 953,582,130.60/42,897.08
  6. Step 6: Final answer
    x = 22,229.54

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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.