Home / 64,897.60-97,346.40-40,321.60

Finding the Fourth Proportional to 64,897.60, 97,346.40 and 40,321.60

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Solution

The fourth proportional to 64,897.60, 97,346.40 and 40,321.60 is: 60,482.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,897.60 : 97,346.40 = 40,321.60 : x
  2. Step 2: Convert to fraction form
    64,897.60/97,346.40 = 40,321.60/x
  3. Step 3: Cross multiply
    64,897.60x = 97,346.40 × 40,321.60
  4. Step 4: Simplify right side
    64,897.60x = 3,925,162,602.24
  5. Step 5: Solve for x
    x = 3,925,162,602.24/64,897.60
  6. Step 6: Final answer
    x = 60,482.40

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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.