Home / 46,457.55-64,121.63-30,543.48

Finding the Fourth Proportional to 46,457.55, 64,121.63 and 30,543.48

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Solution

The fourth proportional to 46,457.55, 64,121.63 and 30,543.48 is: 42,156.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,457.55 : 64,121.63 = 30,543.48 : x
  2. Step 2: Convert to fraction form
    46,457.55/64,121.63 = 30,543.48/x
  3. Step 3: Cross multiply
    46,457.55x = 64,121.63 × 30,543.48
  4. Step 4: Simplify right side
    46,457.55x = 1,958,497,570.76
  5. Step 5: Solve for x
    x = 1,958,497,570.76/46,457.55
  6. Step 6: Final answer
    x = 42,156.71

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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.