Home / 42,953.40-64,352.88-40,421.22

Finding the Fourth Proportional to 42,953.40, 64,352.88 and 40,421.22

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Solution

The fourth proportional to 42,953.40, 64,352.88 and 40,421.22 is: 60,559.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,953.40 : 64,352.88 = 40,421.22 : x
  2. Step 2: Convert to fraction form
    42,953.40/64,352.88 = 40,421.22/x
  3. Step 3: Cross multiply
    42,953.40x = 64,352.88 × 40,421.22
  4. Step 4: Simplify right side
    42,953.40x = 2,601,221,920.11
  5. Step 5: Solve for x
    x = 2,601,221,920.11/42,953.40
  6. Step 6: Final answer
    x = 60,559.16

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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.