Home / 42,971.16-64,284.44-35,590

Finding the Fourth Proportional to 42,971.16, 64,284.44 and 35,590

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Solution

The fourth proportional to 42,971.16, 64,284.44 and 35,590 is: 53,242.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,971.16 : 64,284.44 = 35,590 : x
  2. Step 2: Convert to fraction form
    42,971.16/64,284.44 = 35,590/x
  3. Step 3: Cross multiply
    42,971.16x = 64,284.44 × 35,590
  4. Step 4: Simplify right side
    42,971.16x = 2,287,883,219.60
  5. Step 5: Solve for x
    x = 2,287,883,219.60/42,971.16
  6. Step 6: Final answer
    x = 53,242.30

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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.