Home / 30,901.16-46,365.74-13,136.64

Finding the Fourth Proportional to 30,901.16, 46,365.74 and 13,136.64

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Solution

The fourth proportional to 30,901.16, 46,365.74 and 13,136.64 is: 19,710.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,901.16 : 46,365.74 = 13,136.64 : x
  2. Step 2: Convert to fraction form
    30,901.16/46,365.74 = 13,136.64/x
  3. Step 3: Cross multiply
    30,901.16x = 46,365.74 × 13,136.64
  4. Step 4: Simplify right side
    30,901.16x = 609,090,034.71
  5. Step 5: Solve for x
    x = 609,090,034.71/30,901.16
  6. Step 6: Final answer
    x = 19,710.91

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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.