Home / 64,714.95-97,072.36-20,345.58

Finding the Fourth Proportional to 64,714.95, 97,072.36 and 20,345.58

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Solution

The fourth proportional to 64,714.95, 97,072.36 and 20,345.58 is: 30,518.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,714.95 : 97,072.36 = 20,345.58 : x
  2. Step 2: Convert to fraction form
    64,714.95/97,072.36 = 20,345.58/x
  3. Step 3: Cross multiply
    64,714.95x = 97,072.36 × 20,345.58
  4. Step 4: Simplify right side
    64,714.95x = 1,974,993,415.30
  5. Step 5: Solve for x
    x = 1,974,993,415.30/64,714.95
  6. Step 6: Final answer
    x = 30,518.35

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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.