Home / 42,987.48-64,485.24-14,903.16

Finding the Fourth Proportional to 42,987.48, 64,485.24 and 14,903.16

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Solution

The fourth proportional to 42,987.48, 64,485.24 and 14,903.16 is: 22,356.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,987.48 : 64,485.24 = 14,903.16 : x
  2. Step 2: Convert to fraction form
    42,987.48/64,485.24 = 14,903.16/x
  3. Step 3: Cross multiply
    42,987.48x = 64,485.24 × 14,903.16
  4. Step 4: Simplify right side
    42,987.48x = 961,033,849.36
  5. Step 5: Solve for x
    x = 961,033,849.36/42,987.48
  6. Step 6: Final answer
    x = 22,356.13

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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.