Home / 45,715.69-63,210.23-40,111.48

Finding the Fourth Proportional to 45,715.69, 63,210.23 and 40,111.48

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Solution

The fourth proportional to 45,715.69, 63,210.23 and 40,111.48 is: 55,461.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,715.69 : 63,210.23 = 40,111.48 : x
  2. Step 2: Convert to fraction form
    45,715.69/63,210.23 = 40,111.48/x
  3. Step 3: Cross multiply
    45,715.69x = 63,210.23 × 40,111.48
  4. Step 4: Simplify right side
    45,715.69x = 2,535,455,876.44
  5. Step 5: Solve for x
    x = 2,535,455,876.44/45,715.69
  6. Step 6: Final answer
    x = 55,461.39

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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.