Home / 46,457.92-64,138.53-30,588.50

Finding the Fourth Proportional to 46,457.92, 64,138.53 and 30,588.50

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Solution

The fourth proportional to 46,457.92, 64,138.53 and 30,588.50 is: 42,229.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,457.92 : 64,138.53 = 30,588.50 : x
  2. Step 2: Convert to fraction form
    46,457.92/64,138.53 = 30,588.50/x
  3. Step 3: Cross multiply
    46,457.92x = 64,138.53 × 30,588.50
  4. Step 4: Simplify right side
    46,457.92x = 1,961,901,424.91
  5. Step 5: Solve for x
    x = 1,961,901,424.91/46,457.92
  6. Step 6: Final answer
    x = 42,229.64

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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.