Home / 64,875.16-97,304.37-20,506.40

Finding the Fourth Proportional to 64,875.16, 97,304.37 and 20,506.40

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Solution

The fourth proportional to 64,875.16, 97,304.37 and 20,506.40 is: 30,756.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,875.16 : 97,304.37 = 20,506.40 : x
  2. Step 2: Convert to fraction form
    64,875.16/97,304.37 = 20,506.40/x
  3. Step 3: Cross multiply
    64,875.16x = 97,304.37 × 20,506.40
  4. Step 4: Simplify right side
    64,875.16x = 1,995,362,249.79
  5. Step 5: Solve for x
    x = 1,995,362,249.79/64,875.16
  6. Step 6: Final answer
    x = 30,756.95

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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.