Home / 42,595.24-64,211.77-39,740.80

Finding the Fourth Proportional to 42,595.24, 64,211.77 and 39,740.80

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Solution

The fourth proportional to 42,595.24, 64,211.77 and 39,740.80 is: 59,908.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,595.24 : 64,211.77 = 39,740.80 : x
  2. Step 2: Convert to fraction form
    42,595.24/64,211.77 = 39,740.80/x
  3. Step 3: Cross multiply
    42,595.24x = 64,211.77 × 39,740.80
  4. Step 4: Simplify right side
    42,595.24x = 2,551,827,109.22
  5. Step 5: Solve for x
    x = 2,551,827,109.22/42,595.24
  6. Step 6: Final answer
    x = 59,908.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.