Home / 42,957.08-64,420.16-14,869.50

Finding the Fourth Proportional to 42,957.08, 64,420.16 and 14,869.50

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Solution

The fourth proportional to 42,957.08, 64,420.16 and 14,869.50 is: 22,298.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,957.08 : 64,420.16 = 14,869.50 : x
  2. Step 2: Convert to fraction form
    42,957.08/64,420.16 = 14,869.50/x
  3. Step 3: Cross multiply
    42,957.08x = 64,420.16 × 14,869.50
  4. Step 4: Simplify right side
    42,957.08x = 957,895,606.29
  5. Step 5: Solve for x
    x = 957,895,606.29/42,957.08
  6. Step 6: Final answer
    x = 22,298.90

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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.