Home / 42,533.48-63,809.77-12,953.65

Finding the Fourth Proportional to 42,533.48, 63,809.77 and 12,953.65

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Solution

The fourth proportional to 42,533.48, 63,809.77 and 12,953.65 is: 19,433.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,533.48 : 63,809.77 = 12,953.65 : x
  2. Step 2: Convert to fraction form
    42,533.48/63,809.77 = 12,953.65/x
  3. Step 3: Cross multiply
    42,533.48x = 63,809.77 × 12,953.65
  4. Step 4: Simplify right side
    42,533.48x = 826,569,427.16
  5. Step 5: Solve for x
    x = 826,569,427.16/42,533.48
  6. Step 6: Final answer
    x = 19,433.38

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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.