Home / 64,971.93-97,461.34-20,602.18

Finding the Fourth Proportional to 64,971.93, 97,461.34 and 20,602.18

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Solution

The fourth proportional to 64,971.93, 97,461.34 and 20,602.18 is: 30,904.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,971.93 : 97,461.34 = 20,602.18 : x
  2. Step 2: Convert to fraction form
    64,971.93/97,461.34 = 20,602.18/x
  3. Step 3: Cross multiply
    64,971.93x = 97,461.34 × 20,602.18
  4. Step 4: Simplify right side
    64,971.93x = 2,007,915,582.41
  5. Step 5: Solve for x
    x = 2,007,915,582.41/64,971.93
  6. Step 6: Final answer
    x = 30,904.36

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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.