Home / 64,537.26-89,022.80-40,622.40

Finding the Fourth Proportional to 64,537.26, 89,022.80 and 40,622.40

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Solution

The fourth proportional to 64,537.26, 89,022.80 and 40,622.40 is: 56,034.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,537.26 : 89,022.80 = 40,622.40 : x
  2. Step 2: Convert to fraction form
    64,537.26/89,022.80 = 40,622.40/x
  3. Step 3: Cross multiply
    64,537.26x = 89,022.80 × 40,622.40
  4. Step 4: Simplify right side
    64,537.26x = 3,616,319,790.72
  5. Step 5: Solve for x
    x = 3,616,319,790.72/64,537.26
  6. Step 6: Final answer
    x = 56,034.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.